Genes

The instructions that make us what we are, are found in our __________. This genetic information is passed on to us by our __________.

	The __________ of a cell contains __________
	__________ carry __________
	__________ have different forms called __________, which produce different __________

An allele can be recessive or dominant. A __________ allele overrides a __________ one.

• Some characteristics always shows, if the individual has atleast one copy of the __________ allele.
• Other characteristic only shows if the individual has two copies of the __________allele.
  
  

This can be shown in a Punnett Square:

	B	b
B	__________	__________
b	__________	__________

• If they have 2 alleles the same, they are __________ for that trait.
  
  
• If they have 2 alleles that are different, they are __________ for that trait.

However some differences in the characteristics of individuals may be to environmental causes. Height and growth, for example, is also affected by nutrition as well as genes.

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Monohybrid Inheritance